Gas discharge tube and method and apparatus for manufacturing a gas discharge tube

By setting multiple discharge gaps in the gas discharge tube and setting electrode pairs on different surfaces of the ceramic tube, the intermediate electrode is eliminated, thus achieving miniaturization and efficient production of the gas discharge tube and improving the applicability of the power supply system.

CN119890932BActive Publication Date: 2026-06-16SHENZHEN RUILONGYUAN ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHENZHEN RUILONGYUAN ELECTRONICS CO LTD
Filing Date
2025-01-14
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

Traditional multi-gap gas discharge tubes are large in size, have low space utilization, and complex manufacturing processes, making them difficult to meet the size requirements of application scenarios, especially when the electromagnetic compatibility distance is small.

Method used

A gas discharge tube is designed, which uses a ceramic tube with multiple discharge gaps and sets first and second electrode pairs on different surfaces of the ceramic tube. The electrodes are connected by connecting pieces, eliminating the need for intermediate electrodes. The tube is then welded and cured using reflow soldering equipment.

Benefits of technology

The size of the gas discharge tube has been reduced, the production process has been simplified, production efficiency has been improved, and the intermittent current capability of the discharge tube and the applicability of the power supply system have been enhanced.

✦ Generated by Eureka AI based on patent content.

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    Figure CN119890932B_ABST
Patent Text Reader

Abstract

The embodiment of the application provides a gas discharge tube and a manufacturing method and device of the gas discharge tube, and belongs to the technical field of overvoltage protection. The gas discharge tube comprises: a porcelain tube uniformly provided with a plurality of discharge gaps; a first mounting surface is arranged around each discharge gap on a first surface of the porcelain tube, a second mounting surface is arranged around each discharge gap on a second surface of the porcelain tube, and corresponding first electrodes and second electrodes are arranged; a first target electrode is connected with a first pin, each first electrode pair comprises two first remaining electrodes connected through a connecting piece, a second target electrode is connected with a second pin, each second electrode pair comprises two second remaining electrodes connected through a connecting piece, and the relative positions of the first electrode pair and the second electrode pair on the first mounting surface or the second mounting surface corresponding to the discharge gap are not completely same. Through the provided scheme, the intermediate electrode is omitted, the volume of the gas discharge tube is reduced, and the production efficiency is further improved.
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